hello rohini,

yes,b.tech course is available in railway engineering.i think  IRIMEE and some private institutions provide this course.

https://www.careers360.com/university/shri-vaishnav-vidyapeeth-vishwavidyalaya-indore/btech-railway-engineering-course

I Hope this information will be useful to you.

if you need additional information,let us know to help you.

Thank you!!!:)